한국환경과학회지 (Journal of Environmental Science International)

  • 제28권7호
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  • Pages.595-606
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  • 2019
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  • 1225-4517(pISSN)
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  • 2287-3503(eISSN)
한국환경과학회 (The Korean Environmental Sciences Society)
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부산지역 지하역사의 최근 3년간(2015~2017년) CO, CO2, NO2 농도의 특성

Characteristics of CO, CO2, and NO2 Concentrations at Subway Stations in Busan for 3 Years (2015~2017)

  • 전병일 (신라대학교 에너지화학공학부)
  • Jeon, Byung-Il (Department of Environmental Engineering, Silla University)
  • 투고 : 2019.05.07
  • 심사 : 2019.06.19
  • 발행 : 2019.07.31
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초록

This research investigated the characteristics of CO, $CO_2$, and $NO_2$ concentrations at main subway stations in Busan. The annual mean CO concentrations at the Suyeong and Nampo stations were 0.75 ppm and 0.48 ppm, respectively. Annual $CO_2$ concentration at the Seomyeon 1- platform was 649 ppm. The $NO_2$ concentrations at the Seomyeon 2- waiting room and the Yeonsan station were 0.048 ppm and 0.037 ppm, respectively. CO concentration was highest at two times of the day, and was proportional to the number of passengers commuting to and from work. The CO and $CO_2$ concentrations were highest in winter, but $NO_2$ concentration was highest in spring. CO and $CO_2$ concentrations were highest on Saturday and lowest on Sunday. The correlation of CO and $NO_2$ concentrations measured at the subway stations with those at the ambient air quality station were highest at the Seomyeon 1 and 2- waiting room and Jeonpodong. The correlation was lowest at the Yeonsan and Yeonsandong station. The number of days when $CO_2$ concentration exceeded 700 ppm over the last three years at the Seomyeon 1- platform was 174. The findings of this research are expected to deepen understanding of the fine particle characteristics at subway stations in Busan and be useful for developing a strategy for controlling urban indoor air quality.

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참고문헌

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